著者所属：Research Department, Osaka Works, Sumitomo Chemical Co. Research Department, Osaka Works, Sumitomo Chemical Co. Research Department, Osaka Works, Sumitomo Chemical Co.
The hydrogen bonding power of santonin was examined by the measurement of infrared absorption spectra in various ternary solutions and it was concluded that the molecular complexes R-OH····OC (C14H18O2) were formed in the solution by intermolecular hydrogen bond. The order of the strengths of these hydrogen bond were considerably large.
